Note 11 - Stock Options and Incentive Plans (Tables)

3 Months Ended

Jul. 31, 2022

Notes Tables

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

	Number of Shares			Weighted Average Grant Date Fair Value
Total shares issued		7,900,000		$	0.42
Forfeited, in prior periods		(50,000	)	$	0.40
Forfeited, during the year ended April 30, 2022		(50,000	)	$	0.40
Forfeited, during the quarter ended July 31, 2022		(75,000	)	$	0.40
Total		7,725,000		$	0.42